Panasonic KX-F680BX - Page 79

|85 |
TROUBLESHOOTING GUIDE
KX-F680BX/KX-F2681BX
Is the amplitude at pins 2~5 of CN801 (CCD
board ) 4~5 Vp-p?
Perform the scanner test. (Refer to page 94)
Take out CN801 (CCD board), and check the
amplitude at pins 2~5 of CN6 (Digital board).
(4~5 Vp-p).
Check the waveform at pin 7 of
CN801(CCD board).
(Refer to page 87)
Check the waveform
at pin 1 of IC801
(CCD board).
(Refer to page 87)
Check the short at pins 2~5 of
CN801. (CCD board)
Check R830.
Replace Q801, Q802,
Q803 (CCD board), or
perform CCD adjust.
Check R830.
Replace IC1.
Replace R830. (CCD board)
Replace IC801. (CCD board)
Check the solder at pins 50~53
of IC1.(Digital board)
YES
NO
NG
NG
NG
NG
OK
OK
OK
OK
OK
OK
END